A141949 Primes congruent to 2 mod 27.

2, 29, 83, 137, 191, 353, 461, 569, 677, 839, 947, 1109, 1163, 1217, 1433, 1487, 1811, 1973, 2027, 2081, 2243, 2297, 2351, 2459, 2621, 2729, 2837, 2999, 3323, 3539, 3593, 3701, 3863, 3917, 4079, 4133, 4241, 4349, 4457, 4673, 4889, 4943, 5051, 5483, 5591

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Formula

{2} UNION A142592. - R. J. Mathar, Jul 20 2008

a(n) ~ 18n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Prime[Range[900]], Mod[#, 27]==2&]  (* Harvey P. Dale, Apr 18 2011 *)

Prog

(Magma) [ p: p in PrimesUpTo(8000) | p mod 27 eq 2 ]; // Vincenzo Librandi, Apr 19 2011
(PARI) is(n)=isprime(n) && n%27==2 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A031918 A358028 A101231 * A242675 A253305 A123004

Adjacent sequences: A141946 A141947 A141948 * A141950 A141951 A141952

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved